Sony Ericsson NWZ-A828K, NWZ-A826K, NWZ-A829 service manual MAX8671CETL+TG069, SW Board

NWZ-A826/A826K/A828/A828K/A829

IC901

MAX8671CETL+TG069

EP

PEN2

CST1

/UOK

CST2

PEN1

SYS

BAT

THM

CT

CISET

41

40

39

38

37

36

35

34

33

32

31

30

DISET

SMART

Li+/Li-PoLY

BATTERY

POWER

CHARGER &

USUS

1

SELECTOR

SYSTEM LOAD

SWITCH

SMART

POWER

DC

2

SELECTOR

& CHARGER

USB

3

BIAS

HIGHEST

3.3V LOW

29

FB3

VOLTAGE

28

VL

DROPOUT

SELECTOR

FB5

4

REG5 LOW

REG3 DC-DC

27

PV3

PV5

5

26

LX3

DROPOUT

CONVERTER

OUT5

6

25

PG3

PG2

7

REG2 DC-DC

REG1 DC-DC

24

PG1

LX2

8

23

LX1

CONVERTER

CONVERTER

PV2

9

22

PV1

/CEN

10

REG4 LOW

21

SSKP

DROPOUT

REF

11

12

13

14

15

16

17

18

19

20

FB2

/DOK

REG3L

BP

OUT4

PV4

BVSET

GND

FB1

EN

IC903

TK63118BCB-G

– SW Board –

IC801

TPS60231RGTR

VIN

EN2

EN1

GND

VIN

B2

16

15

14

13

GND

A1

ON / OFF

VOLTAGE

REFERENCE

CONTROL

REFERENCE

REGULATOR

ISET 1

CONTROL

THERMAL &								12	C2−
OVER CURRENT		NC	2
PROTECTION		NC	3			CHARGE		11	C1−
B1	VOUT			CURRENT		PUMP		10	C1+
		D3	4
								9	C2+
A2				SINKS
VCONT
				5	6	7	8
				D2	D1	PGND	VOUT

33